Forehead pad for respiratory mask

Abstract

A forehead pad for use in a respiratory mask with a forehead support, which includes a base portion to contact a user's forehead, a support post connected to the base portion, and a head adapted to connect the support post to a forehead support. A pair of forehead pads may be joined with a connector.

Description

CROSS-REFERENCE TO PRIORITY APPLICATIONS[0001] The present application claims the benefit of U.S. Provisional Application Serial No. 60 / 424,696 filed Nov. 8, 2002 and U.S. Provisional Application Serial No. 60 / 467,572 filed May 5, 2003, and the present application is a Continuation-In-Part of U.S. Non-Provisional Application Serial No. 10 / 235,846 filed Sep. 6, 2002, which in turn claims priority to U.S. Provisional Patent Application Serial No. 60 / 317,486 filed Sep. 7, 2001 and U.S. Provisional Patent Application Serial No. 60 / 342,854 filed Dec. 28, 2001. Each of the above applications is hereby incorporated herein by reference in its entirety.[0002] 1. Field of the Invention[0003] The invention relates to forehead pads. These pads can be used with a respiratory mask for Non-invasive Positive Pressure Ventilation (NPPV) treatment of Sleep Disordered Breathing (SDB).[0004] 2. Background of the Invention[0005] Nasal masks are commonly used in the treatment of respiratory conditions an...

AI Technical Summary

Problems solved by technology

One of the problems that arises with the use of the mask is that in order for the straps to be tight, the mask is compressed against the user's face and may push unduly hard on the user's nose.

A problem with existing forehead pads is the mechanism by which the pad is connected to forehead support.

Furthermore, regardless of the relative proximity between the forehead support / pad and the mask frame, there should be no sharp edges against which the user's face can make contact, leading to further discomfort.

Problems with this type of forehead pad include: (i) it is difficult to assemble; (ii) it is difficult to remove; (iii) it may become dislodged during the night and present sharp teeth to the forehead of a patient; (iv) it has a vague assembly which makes it difficult to know when it is in the correct position; (v) its construction leads to regions of high pressure under the teeth; and (vi) it presents an edge to the forehead of a patient when rocked at an angle.

A further problem with existing forehead pads is that they can lead to uneven pressure on the user's forehead, leading to discomfort and marks on the face.

During use, the pad is subject to a compressing force that can lead to pressure points, lines or ridges on the patient contacting surface in the region where the reinforcing struts join it.

This can lead to uneven pressure on the user's forehead.

The use of existing forehead pads also results in sweating by the user.

Another problem with a known form of forehead support is the mechanism for engaging the forehead pad with the forehead support.

A problem can arise if a pad is not in position when the forehead support is in use: the catch may abut against the forehead of a user.

This can lead to discomfort and marking of the forehead.

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